| 摘要 |
<p>An earphone for portable electronic apparatus comprising an earphone cable part using a flexible hollow tube uncollapsible in the radial direction having one end facing the speaker of the portable electronic apparatus, and an ear fixing part provided at the other end of the earphone cable part and having an opening communicating with the interior of the earphone cable part, wherein a duct for transmitting a sound generated from the speaker is formed by the earphone cable part and the ear fixing part.</p> |
